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gh-106752: Sync with zipp 3.16.2 (#106757)
* gh-106752: Sync with zipp 3.16.2 * Add blurb
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6 changed files with 204 additions and 27 deletions
40
Lib/zipfile/_path/glob.py
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40
Lib/zipfile/_path/glob.py
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import re
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def translate(pattern):
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r"""
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Given a glob pattern, produce a regex that matches it.
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>>> translate('*.txt')
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'[^/]*\\.txt'
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>>> translate('a?txt')
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'a.txt'
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>>> translate('**/*')
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'.*/[^/]*'
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"""
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return ''.join(map(replace, separate(pattern)))
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def separate(pattern):
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"""
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Separate out character sets to avoid translating their contents.
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>>> [m.group(0) for m in separate('*.txt')]
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['*.txt']
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>>> [m.group(0) for m in separate('a[?]txt')]
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['a', '[?]', 'txt']
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"""
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return re.finditer(r'([^\[]+)|(?P<set>[\[].*?[\]])|([\[][^\]]*$)', pattern)
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def replace(match):
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"""
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Perform the replacements for a match from :func:`separate`.
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"""
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return match.group('set') or (
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re.escape(match.group(0))
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.replace('\\*\\*', r'.*')
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.replace('\\*', r'[^/]*')
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.replace('\\?', r'.')
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)
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